Issues Concerning the Department of Defense's Global Positioning System as It Enters Production
GENERAL ACCOUNTING OFFICE WASHINGTON DC MISSION ANALYSIS AND SYSTEMS ACQUISITION DIV
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The Department of Defenses Global Positioning System is a 3.9 billion space-based navigation system designed to provide world-wide position information in 3 dimensions, together with velocity and time information, for a multiplicity of military and civil users. As the systems space segment enters production on a multiyear contract basis, remaining technical and program risks could adversely affect the stability of spacecraft design, achievement of full operational capability by September 1988, and overall program costs. Also, the current multiyear procurement cost estimate associated with the space segment is uncertain because it is not based on a firm price proposal, and associated savings are overstated because they were not calculated using an acceptable method.
- Unmanned Spacecraft